Some build pics
This is a super easy build. Recommended for a beginner.
I purchased a complete kit.
aLL the tricky surface mount components are already installed.
The Algorythm is gate sequencer in a very small size. There are smaller gate sequencers, but they tend to loose the visual ability to easily see your sequence as it plays. My fave gate sequencer is the Tip top circadian rhythm, but its very big. You can see the leds light as the sequencer runs. I feel this is a compact version of it.
40 pin header first
Jacks next
WQP-PJ3410 jacks with round nut
LED switches next
LED switch (white) PB61303-BL5 (momentary) 4
LED switch (green) PB61303-BL6 (momentary) 8
The top 4 white switches first -- Sw1 to SW4
The lower 8 (green) switches
The red mark is -ve
I found that is the space between the two PCBs was too small, shorting can occur.
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For more Euro DIY builds click here: http://djjondent.blogspot.com.au/2017/12/diy-index.html
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Triggering the ARP's envelopes is a bit tricky if you are using eurorack, as most modules put out only 5V gates & triggers. This is usually not enough.
I've just ordered FuzzBass TTSH gate booster PCB but while I'm waiting for it to arrive
I decided to test the Eloquencer sequencer by Winter Modular with a ARP 2500
The Eloquencer sends out 8V gates - good enough to trigger the 1046 EGs
You need to adjust the gate length from the Eloquencer.
Most of the old ARP gear seems to want +10V but will usually act on +8v.
yOU CAN trigger the EG from either the upper matrix or lower matrix
The upper matrix allows you to treat the 1046 as if it is 4 "basic" EGs
Use the lower matrix if you want to use the 1046 as two "combined" EGs
When the Trigger Mode switch is in the Multiple setting you need both
gates & triggers to activate an envelope. In the single mode, only a
gate is required (T not needed).
If you apply another trigger signal while the gate is still present the cycle
will restart. ..a good way for creating multi-peak envelopes.
The 1046 QUAD Exponential Envelope Generator is actually a ARP 1003 & 1033 in a single module.
The 1003 has the stages: Attack, Initial Decay, Sustain, Final Decay
The 1033 has the stages: Gate Delay, Attack, Initial Decay, Sustain, Final Decay
The main difference between the two is the addition of a gate delay
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